Which of the Following Statements Regarding the Role of a Therapist's

Which of the following statements regarding the role of a therapist's profession is accurate?

A) Only a clinical psychologist can prescribe drugs for disorders that merit drug therapy.
B) There is no reliable association between a therapist's professional background and therapeutic efficacy.
C) Psychologists are generally considered more effective therapists than either counselors or social workers.
D) Health insurance policies that cover psychotherapy generally specify that treatment must be provided by a psychiatrist.